3-O-Methylquercetin, a natural product isolated and purified from the herbs of Croton cascarilloides with antiviral, anti-inflammatory and bronchodilating effects, is a selective and competitive PDE3/PDE4 inhibitor, and inhibits PDE3 than PDE4 with a low K(m) value. 3-O-Methylquercetin also inhibits total cAMP- and cGMP-phosphodiesterase (PDE) of guinea pig trachealis at low concentrations.

Crotonoside 是从中草药巴豆（Croton tiglium）中分离出的。Crotonoside 抑制 FLT3 和 HDAC3/6，在急性髓性白血病（AML）细胞中表现出选择性的抑制作用。Crotonoside 可能是 AML 研究中有前途的新先导化合物。

Kaurenoic Acid is a natural product isolated and purified from the herbs of Croton antisyphiliticus with anti-inflammatory property, the mechanisms may through inhibition of iNOS and COX-2 expression. Kaurenoic acid is an inducer of apoptosis, which is part of the innate mechanism of cell defense against neoplasia. Kaurenoic acid from A. continentalis may be a useful agent for inhibiting the cariogenic properties of S. mutans.

ent-kaurane-3,16,17-triol is a natural product isolated and purified from the herbs of Cussonia bojer.

Ferulamide is a natural product isolated and purified from the fruits of Croton tiglium showing potent inhibitory activity against arachidonic acid-induced platelet aggregation.

Koaburaside monomethyl ether is a natural product isolated and purified from the herbs of Croton cascarilloides.

Kongensin A, a natural product isolated and purified from the herbs of Croton cascarilloides, is an effective heat shock protein 90 (HSP90) inhibitor that has potential anti-necroptosis and anti-inflammation applications.